Specification Brand : ZJchao BulletPoint1 : [Efficient Hole Cutting] Annular cutter creates holes up to 50mm deep with a thin walled hollow design and double alternating tooth geometry for efficient cuts in metals. BulletPoint2 : [Accurate Results] Multiple cutting edges ensure precise hole creation without flanging, suitable for various metal types including cast iron and stainless steel. BulletPoint3 : [Maximum Durability] Hard alloy steels provide superior cutting properties that can withstand high temperatures. BulletPoint4 : [Versatile Use] Suitable for a wide range of metals including aluminum, copper, and more, making it a universal tool for metalworkers. BulletPoint5 : [Aggressive Cutting] Delivers more aggressive cuts compared to traditional hole saws and drills, providing a versatile and efficient cutting solution. ItemName : Annular Cutter, 50mm Depth Carbide Steel Plate Core Drill Bit Hallow Hole Saw Metric Double Alternating Tooth Geometry Metalworking Tools for Metalworking (22mm) ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 4 centimeters ItemTypeKeyword : annular-cutters Manufacturer : ZJchao ModelNumber : ZJchaowaonr1p07m-11 NumberOfItems : 1 PartNumber : ZJchaowaonr1p07m-11 ProductDescription : 1. 50MM DRILLING DEPTH: Annular cutter can form cylindrical holes up to 50mm deep in ferrous and non ferrous metals 2. QUICK CUTS: These tools feature a thin walled hollow design with double alternating tooth geometry, providing more efficient and aggressive cuts than traditional hole saws and drills 3. ACCURATE AND EFFICIENT: With multiple accurate cutting edges, more accurate holes can be created without flanging 4. HIGH TEMPERATURE RESISTANT MATERIALS: Hard alloy steels provide superior cutting properties that can withstand high temperatures and maximize durability 5. APPLICABLE MATERIAL: Suitable for cast iron, stainless steel, aluminum, copper, universal and versatile